Fix e2e specs for fixed world clock: idle-pause expiry window, scale-1 motion settle, self-heal (ISS-117)

e2e/map-interactions.spec.ts

@@ -258,15 +258,21 @@ test('plane markers move while flying and the plane popup shows status + route',
   // view) the per-second drift is sub-pixel, so the position is static for all practical purposes;
   // we restore SCALE right after the popup checks.
   await setScale(page, 1);
+  // At scale 1 a flying plane still advances every tick (the ATR72 cruises ~0.14 km/s of real time),
+  // so exact lat/lon equality between polls can never hold — "settled" means slow enough to click:
+  // two consecutive snapshots within EPS of each other. Per-tick advance is clamped to
+  // MAX_TICK_ELAPSED_MS (2 s) × scale, so at scale 1 the worst-case per-poll drift is ~0.5 km even
+  // for the fastest catalog plane; 5 km sits far above that and far below what a still-fast clock
+  // would show (~km per poll pair).
   let prevPos: { lat: number; lon: number } | null = null;
   await expect
     .poll(async () => {
       const p = (await getState(page)).planes.find((x) => x.id === 'plane-starter');
       if (!p || p.status !== 'flying') return false;
-      if (prevPos && prevPos.lat === p.lat && prevPos.lon === p.lon) return true;
+      if (prevPos && haversineKm(prevPos.lat, prevPos.lon, p.lat, p.lon) < 5) return true;
       prevPos = { lat: p.lat, lon: p.lon };
       return false;
-    }, { timeout: 15_000, message: 'waiting for the scale-1 clock to settle the plane position' })
+    }, { timeout: 15_000, message: 'waiting for the scale-1 clock to slow the plane to click-safe drift' })
     .toBe(true);
 
   // Click the RENDERED marker position, not a fresh /api/state fetch. With the clock at scale 1